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Alexus [3.1K]
2 years ago
15

The area of a right triangle is 54 square centimeters. The lengths of the sides of the triangle are each multiplied by 4. What i

s the area of the new triangle?
A).4cm²
B).216cm²
C).864cm²
D).2916cm²
Mathematics
1 answer:
nasty-shy [4]2 years ago
3 0

Answer:

864

Step-by-step explanation:

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WILL MARK BRAINLIEST FEELING LAZY WORTH 15 POINTS
Zinaida [17]

The irrational numbers are: √8, √10 and √15

Step-by-step explanation:

A rational number is a number that can be written in the form p/q where p&q are integers and q≠0.

"All the numbers whose square root is not a whole number and has an infinite number of digits after decimal, are irrational numbers"

So in the given options

\sqrt{4} = 2

Which can be written in the required form so √4 is a rational number

\sqrt{8}=2.828427124746190097603.....

√8 has an infinite expansion hence it cannot be written in the p/q form, so it is an irrational number

\sqrt{10}=3.16227766016837933....

√10 has an infinite expansion hence it cannot be written in the p/q form, so it is an irrational number

\sqrt{15}=3.87298334620.....

√15 has an infinite expansion hence it cannot be written in the p/q form, so it is an irrational number

\sqrt{36} = 6

Which can be written in the required form so √36 is a rational number

Hence,

The irrational numbers are: √8, √10 and √15

Keywords: Rational numbers, Irrational numbers

Learn more about rational numbers at:

  • brainly.com/question/3375830
  • brainly.com/question/3398261

#LearnwithBrainly

4 0
3 years ago
Solve 2x – 10x = 72 for x . First, simplify the left side of th
Tanzania [10]

Answer:

The answer is 9.

Please mark me as Brainliest if this helped you.

6 0
3 years ago
1. -88 = -3(4m + 5) - (1 - 3m)​
Vadim26 [7]

Answer:

m=8

Step-by-step explanation:

-88=-3(4m+5)-(1-3m)

-88=-12m-15-(1-3m)   <- Distributive Property

-88=-12m-15-1+3m  <- Open () if there is a negative negative the symbol equals positive

-88=-9m-16    <- Simplify

0=-9m+72   <- Add 88 to both sides

9m = 72 <- Add 9m to both sides

9m = 72

/9      /9

m=8

6 0
3 years ago
Simplify the expression: 5^2 - 3 * 6 A)7 B)24 C)132 D)144
kow [346]

Answer:

7

Step-by-step explanation:

5^2 = 5 x 5 = 25

3 x 6 is 18

25 - 18 is 7

also, use PEMDAS

5 0
3 years ago
Read 2 more answers
-2(4r - 6) Mathhhhhhhhh pls
FrozenT [24]

Answer: -8r+12

Step-by-step explanation:

8 0
2 years ago
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